Home / 21,706,670.90-32,581,001.55-13,203,614.90

Finding the Fourth Proportional to 21,706,670.90, 32,581,001.55 and 13,203,614.90

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Solution

The fourth proportional to 21,706,670.90, 32,581,001.55 and 13,203,614.90 is: 19,818,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,670.90 : 32,581,001.55 = 13,203,614.90 : x
  2. Step 2: Convert to fraction form
    21,706,670.90/32,581,001.55 = 13,203,614.90/x
  3. Step 3: Cross multiply
    21,706,670.90x = 32,581,001.55 × 13,203,614.90
  4. Step 4: Simplify right side
    21,706,670.90x = 430,186,997,522,503.12
  5. Step 5: Solve for x
    x = 430,186,997,522,503.12/21,706,670.90
  6. Step 6: Final answer
    x = 19,818,193.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.